Piecing Together Digital Evidence in Boston Marathon Bombing Trial

The trial of admitted Boston Marathon bomber Dzhokhar Tsarnaev turned technical recently, with testimony about the digital trail left by the Tsarnaev brothers.

Mark Pollitt, adjunct professor at Syracuse University and runs a consulting company called Digital Evidence Professional Services as well as former head of the computer forensics team at the FBI, speaks with WBUR Radio Boston answering questions about the trial and what digital forensics can and can't do.